Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nephrology

Kalani T. Yamamoto, MD

Works at hospitals in Kailua, HI · Honolulu, HI · Aiea, HI · Hawaii

Summary

Dr. Kalani T. Yamamoto, MD is a nephrologist at 1329 Lusitana St, Suite 302, Honolulu, HI 96813. Phone: (808) 531-5711. Accepts Medicare assignment. In 2024, Kalani T. Yamamoto had 637 Original Medicare patients and 1,916 services. NPI 1902000532. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Kalani T. Yamamoto, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kalani T. Yamamoto accept Medicare assignment?
Yes. Medicare's clinician data says Kalani T. Yamamoto accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kalani T. Yamamoto see?
In 2024, CMS data shows 637 Original Medicare patients and 1,916 services for Kalani T. Yamamoto. This counts Original Medicare only and measures volume, not quality.
What is Kalani T. Yamamoto's NPI number?
1902000532. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kalani T. Yamamoto, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients637
Services billed to Medicare1,916
Different services or procedures12
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)815 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)283 services
  3. Dialysis services, 1 physician visit per month (20 years or older) (90962)251 services
  4. Home dialysis services per month (20 years or older) (90966)152 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)139 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Chronic kidney disease75%
  • Diabetes61%
  • Ischemic heart disease39%
  • Arthritis33%

Hospitals where Kalani T. Yamamoto works

Medicare's Facility Affiliation Data lists Kalani T. Yamamoto at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
  • Kuakini Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120007
  • Pali Momi Medical CenterAiea, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120026
  • Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120022
  • The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001

Practice locations

Addresses where Kalani T. Yamamoto is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Nephrology doctors in Hawaii →

Other nephrologists in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

All nephrologists in Honolulu →

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902000532
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians